| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1963 | Minnesota Twins | AL | MLB | MIN | 32 | 23 | 2 | 4 | 2.16 | 36 | 2 | 0 | 0 | 34 | 12 | 4 | 50.0 | 47 | 26 | 12 | 3 | 22 | 24 | 3 | 0 | 5 | 1.38 | 8.46 | 0.54 | 3.96 | 4.32 | 4.68 | 1.09 |
| 1965 | Minnesota Twins | AL | MLB | MIN | 30 | 25 | 1 | 0 | 3.43 | 12 | 0 | 0 | 0 | 12 | 3 | 2 | 21.0 | 21 | 10 | 8 | 1 | 12 | 6 | 2 | 0 | 0 | 1.57 | 9.00 | 0.43 | 5.14 | 2.57 | 4.29 | 0.50 |
| 1966 | Minnesota Twins | AL | MLB | MIN | 30 | 26 | 1 | 2 | 5.84 | 12 | 0 | 0 | 0 | 12 | 7 | 1 | 12.1 | 14 | 8 | 8 | 4 | 10 | 3 | 0 | 0 | 0 | 1.95 | 10.22 | 2.92 | 7.30 | 2.19 | 5.84 | 0.30 |
| 1966 | Boston Red Sox | AL | MLB | BOS | 18 | 26 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6.00 | 27.00 | 0.00 | 27.00 | 0.00 | 0.00 | 0.00 |
| 1968 | Boston Red Sox | AL | MLB | BOS | 17 | 28 | 0 | 0 | 2.16 | 4 | 0 | 0 | 0 | 4 | 1 | 0 | 8.1 | 9 | 2 | 2 | 0 | 3 | 4 | 0 | 0 | 0 | 1.44 | 9.72 | 0.00 | 3.24 | 4.32 | 2.16 | 1.33 |
| 1969 | Boston Red Sox | AL | MLB | BOS | 37 | 29 | 0 | 1 | 8.38 | 7 | 0 | 0 | 0 | 7 | 3 | 0 | 9.2 | 13 | 9 | 9 | 1 | 5 | 8 | 0 | 0 | 1 | 1.86 | 12.10 | 0.93 | 4.66 | 7.45 | 8.38 | 1.60 |
| 1969 | Seattle Pilots | AL | MLB | SE1 | 39 | 29 | 2 | 2 | 4.44 | 7 | 4 | 1 | 0 | 3 | 2 | 0 | 24.1 | 27 | 12 | 12 | 6 | 11 | 11 | 1 | 0 | 1 | 1.56 | 9.99 | 2.22 | 4.07 | 4.07 | 4.44 | 1.00 |
| Tot: | MLB (5 yrs) | MLB | 6 | 9 | 3.64 | 79 | 6 | 1 | 0 | 28 | 73 | 7 | 126.0 | 132 | 67 | 51 | 15 | 64 | 56 | 6 | 0 | 7 | 1.56 | 9.43 | 1.07 | 4.57 | 4.00 | 4.79 | 0.88 | ||||
| Tot: | AL (5 yrs) | AL | 6 | 9 | 3.64 | 79 | 6 | 1 | 0 | 28 | 73 | 7 | 126.0 | 132 | 67 | 51 | 15 | 64 | 56 | 6 | 0 | 7 | 1.56 | 9.43 | 1.07 | 4.57 | 4.00 | 4.79 | 0.88 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1963 | Minnesota Twins | AL | MLB | MIN | 32 | 23 | P | 36 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 1 | .143 | .250 | .143 | .393 | .143 | .000 | .200 | 12.50 | 25.00 | 2.00 | 0.00 | |
| 1965 | Minnesota Twins | AL | MLB | MIN | 30 | 25 | P | 12 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .250 | .000 | .250 | .333 | .000 | .000 | 16.67 | 16.67 | 1.00 | 0.00 | |
| 1969 | Boston Red Sox | AL | MLB | BOS | 37 | 29 | P | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1969 | Seattle Pilots | AL | MLB | SE1 | 39 | 29 | P | 7 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 9 | 0 | 1 | .125 | .125 | .125 | .250 | .000 | .000 | .200 | 0.00 | 33.33 | 0.00 | 0.00 | |
| Tot: | MLB (3 yrs) | MLB | 62 | 20 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 3 | 0 | 0 | 0 | 2 | 25 | 0 | 2 | .100 | .182 | .100 | .282 | .100 | .000 | .154 | 8.00 | 28.00 | 3.50 | |||||||
| Tot: | AL (3 yrs) | AL | 62 | 20 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 3 | 0 | 0 | 0 | 2 | 25 | 0 | 2 | .100 | .182 | .100 | .282 | .100 | .000 | .154 | 8.00 | 28.00 | 3.50 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 17 | 22 | 31 | 12 | 31 | 27 | .522 |